_________ is the flow of alleles in and out of a population as a result of the migration of individuals or gametes
A. Natural selection
B. Mutation
C. Genetic drift
D. Gene flow
D. Gene flow
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Which of the following is NOT true of prokaryotes?
A. They lack a membrane-bound nucleus. B. DNA is located within the cytosol. C. They have a simpler structure relative to eukaryotes. D. They possess membrane-bound organelles. E. They are relatively small compared with eukaryotes.
Which of the following elements cannot be utilized directly from the atmosphere by plants?
a. carbon b. nitrogen c. oxygen d. phosphorus
Which of the following chemicals is used to
induce polyploidy?
a. colchicine b. ethylene c. gibberellin d. cytokinin e. auxin
A classification method that uses shared traits of organisms such as the presence or absence of jaws, bones, lungs and limbs, as shown in the figure below, to predict phylogeny is called
a. paleontolog b. archeology c. cladistics d. Benomics e. convergent evolution